GridColumnStylesCollection.CollectionChanged Evento

Definição

Namespace:

System.Windows.Forms

Assembly:

System.Windows.Forms.dll

Ocorre quando uma alteração é feita ao GridColumnStylesCollection.

public:
 event System::ComponentModel::CollectionChangeEventHandler ^ CollectionChanged;

public event System.ComponentModel.CollectionChangeEventHandler CollectionChanged;

member this.CollectionChanged : System.ComponentModel.CollectionChangeEventHandler 

Public Custom Event CollectionChanged As CollectionChangeEventHandler 

Tipo de evento

CollectionChangeEventHandler

Exemplos

O exemplo de código a seguir adiciona um manipulador para o CollectionChanged evento .

private:
   void AddHandler()
   {
      GridColumnStylesCollection^ myGridColumns;
      myGridColumns = dataGrid1->TableStyles[ 0 ]->GridColumnStyles;
      
      // Add the handler.
      myGridColumns->CollectionChanged += gcnew CollectionChangeEventHandler( this, &Form1::GridCollection_Changed );
   }

   void GridCollection_Changed( Object^ sender, CollectionChangeEventArgs^ /*e*/ )
   {
      GridColumnStylesCollection^ myGridColumns;
      myGridColumns = dynamic_cast<GridColumnStylesCollection^>(sender);
      Console::WriteLine( myGridColumns->Count );
   }

private void AddHandler() {
   GridColumnStylesCollection myGridColumns;
   myGridColumns = dataGrid1.TableStyles[0].GridColumnStyles;
   // Add the handler.
   myGridColumns.CollectionChanged += new 
      CollectionChangeEventHandler(GridCollection_Changed);
}

private void GridCollection_Changed
  (object sender, CollectionChangeEventArgs e) {
   GridColumnStylesCollection myGridColumns;
   myGridColumns = (GridColumnStylesCollection) sender;
   Console.WriteLine(myGridColumns.Count);
}

Comentários

Para obter mais informações sobre como lidar com eventos, consulte Manipulando e gerando eventos.